匿名用户 2021-10-02 14:18 数学类Mathematics

0-11 We know that matrix A=2-3 0000 (1)Find A90 ()Set of 3 order matrix B =(a1, a2, a3)meet B2 =BA, write B100=(B1, B2,B... 查看全部

匿名用户 2021-10-02 14:18 数学类Mathematics

111122 Let matrix A=2-1B=1a, For what value of, AX is equal-1a-a-1-2 to B has no solution, has a unique solution has an ... 查看全部

匿名用户 2021-10-02 14:16 数学类Mathematics

We know that f of x is differentiable, and(o)=1, f'(x)<. Let the sequence {xn} satisfy xn+1 =f (xn) (n =1, 2,.....). ... 查看全部

匿名用户 2021-10-02 14:16 数学类Mathematics

The bounded region is bounded by plane 2x +y+2z=2 and three coordinate planes. is the outer side of the whole surface of... 查看全部

匿名用户 2021-10-02 14:15 数学类Mathematics

Function(x,y) meetf(x,y)=(2x+1)e2x-y and(0, y)=+ 1, Lt from point(0, 0)to point(1, t) of smooth curve, calculation of cu... 查看全部

匿名用户 2021-10-02 14:14 数学类Mathematics

Lety(x) satisfy the equation"+2y+ky=0. where

匿名用户 2021-10-02 14:13 数学类Mathematics

Known surface area={r,0)2≤r≤2(1+cos),-≤o≤, compute double integral xdxdy.

匿名用户 2021-10-02 14:13 数学类Mathematics

Letx,x2,, be simple random sample from the populationu,o2), the sample mean X=9.5, and the confidence upper limit of the... 查看全部

匿名用户 2021-10-02 14:10 数学类Mathematics

入-1000入-10 Compute the determinant00-1432+1

匿名用户 2021-10-02 14:10 数学类Mathematics

Let the function f(u,v) be differentiable z z(x,y) determined by the equation (x+ 1)z-y2=(x-2,y), to calculate(.)